Parts included: 1-5" Nylon Swivel Caster w/Brake, 4-Stainless Steel Bolts (60307)This caster replaced model 60128, please note that due to change in model the manufacturer recommends changing ALL casters in the unit to make sure the height of the casters are the same.MDC1520S20 (prior to 5/18/13) and MDC1520S10 use the following casters: (2 ea.) H17005 + (2 ea.) H17008

Parts included: 1-6" Fixed Nylon Caster, 4-Stainless Steel Bolts (60308)This caster replaced model 60170, please note that due to change in model the manufacturer recommends changing ALL casters in the unit to make sure the height of the casters are the same.MDC1418T16 and MDC1520T16 use the following casters: (2ea.) H17007 + (2 ea.) H17009

Parts included: 1-6" Swivel w/Brake Nylon Caster, 4-Stainless Steel Bolts.This caster replaced model 60139, please note that due to change in model the manufacturer recommends changing ALL casters in the unit to make sure the height of the casters are the same. MDC1418T16 and MDC1520T16 use the following casters: (2 ea.) H17007 + (2 ea.) H17009